![Environmental factors associated with a distinct decline in pelagic fish abundance as detected by aerial fish spotting in February and March 1982 off northern South West Africa]()
Environmental factors associated with a distinct decline in pelagic fish abundance as detected by aerial fish spotting in February and March 1982 off northern South West AfricaAgenbag, J. J.; Kruger, I.; Le Clus, F. · South African Journal of Marine Science · 1984